Question about Motorcycles
Posted by Anonymous on
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Posted on Jan 02, 2017
First off did you buy it new? Second has it gone through its break in tune up yet?Did you do the re jeting? My guess is it was re jeted wrong & neeeds to be re jeted again or could also need more air(upgraded air kit) or a tfi or power comand fuel mod.My bike also poped untill I did the air & fuel upgrades & them upgrades will also give you a much needed house power needed for this rig.
Bring it to a shop & have it looked at.......
Posted on Apr 26, 2009
SOURCE: Oil leak by exhaust pipe
I am not personally familiar with a 1975 DT250, but here is a general overview. If the bike is a 4 stroke, the oil you observed could have been from the exhaust, however it is more likely that it is from a leaky valve cover gasket or a head gasket. If the bike is a 2 stroke, the "oil" is from the exhaust (expansion chamber). It is excess 2 stroke oil that accumulates. You should reduce the mix to 32:1 or even 40:1 and replace the oring gasket in the opening of the pipe. If in a pinch you can use high temp silicone, but not a good way to go.
Posted on May 11, 2009
On the right side of the bike (right side when ou are sitting on it) just above the rear brake lever behind a small circular plate. remove the plate and the oil filter is inside (you will easily see it). Warning---on these bikes you have to drop the front exhaust header and right floor board in order to change the oil filter unless you install a after market oil filter relocation kit. If you plan on changing your own oil it is highly recommended to install this relocation kit.
Posted on May 15, 2009
Without being rude - because you didn't do it properly. There may have been a little bit of dirt or something - it is enough to make the seal ineffectual. The pressure from the crankcase pressurises the gearbox, then oil gets pushed back into the crankcase.
Posted on Jul 01, 2009
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